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  • Pomocí UV-VIS spektroskopie byl sledován fotorozpad organokovových komplexů. Byly získány spektra 2x10-4 M roztoku iniciátorů v acetonitrilu a sledován úbytek pásu 245 nm po ozáření vysokotlakou rtuťovou výbojkou. Byly stanoveny extinkční koeficienty a energie nutné k dosažení 50% konverze. Účinnost polymerace byla sledována FTIR spektroskopií ve vinyletherovém a epoxidovém monomeru. (cs)
  • Several arene-iron complexes ((5-2,4-cyclopentadien-1-yl)[(1,2,3,4,5,6-)-arene] ferrous hexafluorophosphate) were tested as photoinitiators for cationic polymerization. The UV light decomposes arene-ironcyclopentadienyl (arene-Fe+Cp) cation selectively to the corresponding aromatic compound and iron cyclopentadiene (CpFe+) cation. Structure of aromatic compound affects decomposition upon UV light. FeCp+ formed during irradiation is active species for cationic polymerization. Decomposition of arene-iron initiators upon UV light was followed by UV-VIS spectroscopy. It was measured the decrease of absorption band at about 245 nm after irradiation 2x10-4 M solution in acetonitrile. Super pressure mercury lamp was used as source of UV radiation. Extinction coefficients and energies need for achieving 50% conversion were calculated for all initiators. Efficiency of polymerization initiatiation was followed by FTIR spectroscopy in vinylether and epoxide monomers. Results from FTIR showed that most of pre
  • Several arene-iron complexes ((5-2,4-cyclopentadien-1-yl)[(1,2,3,4,5,6-)-arene] ferrous hexafluorophosphate) were tested as photoinitiators for cationic polymerization. The UV light decomposes arene-ironcyclopentadienyl (arene-Fe+Cp) cation selectively to the corresponding aromatic compound and iron cyclopentadiene (CpFe+) cation. Structure of aromatic compound affects decomposition upon UV light. FeCp+ formed during irradiation is active species for cationic polymerization. Decomposition of arene-iron initiators upon UV light was followed by UV-VIS spectroscopy. It was measured the decrease of absorption band at about 245 nm after irradiation 2x10-4 M solution in acetonitrile. Super pressure mercury lamp was used as source of UV radiation. Extinction coefficients and energies need for achieving 50% conversion were calculated for all initiators. Efficiency of polymerization initiatiation was followed by FTIR spectroscopy in vinylether and epoxide monomers. Results from FTIR showed that most of pre (en)
Title
  • ORGANOMETALLIC CATIONIC PHOTOINITIATORS
  • ORGANOMETALLIC CATIONIC PHOTOINITIATORS (en)
  • Organokovové kationtové fotoiniciátory (cs)
skos:prefLabel
  • ORGANOMETALLIC CATIONIC PHOTOINITIATORS
  • ORGANOMETALLIC CATIONIC PHOTOINITIATORS (en)
  • Organokovové kationtové fotoiniciátory (cs)
skos:notation
  • RIV/00216275:25310/08:00007824!RIV09-MSM-25310___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM0021627501)
http://linked.open...iv/cisloPeriodika
  • Neuveden
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 385359
http://linked.open...ai/riv/idVysledku
  • RIV/00216275:25310/08:00007824
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • cationic photoinitiator; UV polymerization; UV-VIS spectroscopy (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • CZ - Česká republika
http://linked.open...ontrolniKodProRIV
  • [A1984787749C]
http://linked.open...i/riv/nazevZdroje
  • Chemicke listy
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 102
http://linked.open...iv/tvurceVysledku
  • Jašúrek, Bohumil
  • Vališ, Jan
  • Weidlich, Tomáš
  • Remenárová, Katarína
http://linked.open...n/vavai/riv/zamer
issn
  • 1803-2389
number of pages
http://localhost/t...ganizacniJednotka
  • 25310
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